The Black Bull 80 Grit Abrasive Glass Beads is a general abrasive cleaner suitable for a multitude of applications. Use in an abrasive blaster to remove rust, paint, and graffiti, or use in a blast cabinet for etching and surface preparation. Clean and finish many surfaces, remove rust, paint, graffiti, corrosion and scaleGreat for paint removal, cleaning, etching and surface preparationGeneral abrasive cleaner suitable for a multitude of applicationsUse on all metals, brick, concrete and masonry